Operation - Husqvarna 550XP G Mark II Operator's Manual

6. Align the hole in the guide bar with the chain adjuster
pin and install the clutch cover.
Introduction
WARNING:
safety chapter before you use the product.
To do a function check before you use
the product
1. Make sure that the chain brake operates correctly
and that it is not damaged.
2. Make sure that the right hand guard is not damaged.
3. Make sure that the throttle lockout operates correctly
and that it is not damaged.
4. Make sure that the start/stop switch operates
correctly and that it is not damaged.
5. Make sure that there is no oil on the handles.
6. Make sure that the vibration damping system
operates correctly and that it is not damaged.
7. Make sure that the muffler is correctly attached and
that it is not damaged.
8. Make sure that all parts of the product are correctly
attached and not damaged or missing.
9. Make sure that the chain catcher is correctly
attached.
10. Do a check of the saw chain tension.
3 4
6,8
2
10
Read and understand the
10
7
9
1
7. Tighten the bar nuts finger tight.
8. Tighten the saw chain. Refer to
of the saw chain on page 29 for instructions.
9. Tighten the bar nuts.
Note:
Some models have only one bar nut.

Operation

Fuel
This product has a two-stroke engine.
CAUTION:
result in engine damage. Use a mixture of
gasoline and two-stroke oil.
Premixed fuel
• Use Husqvarna premixed alkylate fuel for best
performance and extension of the engine life. This
fuel contains less harmful chemicals compared
to regular fuel, which decreases harmful exhaust
fumes. The quantity of remains after combustion is
lower with this fuel, which keeps the components of
the engine more clean.
To mix fuel
Gasoline
• Use good quality unleaded gasoline with a maximum
of 10% ethanol contents.
Two-stroke oil
• For best results and performance use Husqvarna
two-stroke oil.
• If Husqvarna two-stroke oil is not available, use a
two-stroke oil of good quality for air-cooled engines.
Speak to your servicing dealer to select the correct
oil.
To adjust the tension
Incorrect type of fuel can
CAUTION:
Do not use gasoline with
an octane grade less than 90 RON/87
AKI. Use of a lower octane grade can
cause engine knocking, which causes
engine damages.
544 - 009 - 07.02.2022